40161667

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 24

約数和(自身を含む): 52651296

約数和(自身を除く): 12489629

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 1183, 1547, 1997, 2873, 13979, 20111, 25961, 33949, 181727, 237643, 337493, 441337, 2362451, 3089359, 5737381, 40161667]

約数ペア:

[(1, 40161667), (7, 5737381), (13, 3089359), (17, 2362451), (91, 441337), (119, 337493), (169, 237643), (221, 181727), (1183, 33949), (1547, 25961), (1997, 20111), (2873, 13979)]